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What do systematic reviews say?

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Evidence found and GRADE certainty

46 questions · 46 findings · 15 reviews · Pain, Palliative and Supportive Care

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No studies found 6 · 13%GRADE not reported 0 · 0%Very low 12 · 26.1%Low 15 · 32.6%Moderate 10 · 21.7%High 3 · 6.5%

Cannabis‐based medicines vs placebo medication

Daily breakthrough opioid dosage (mg morphine equivalent) · adults with cancer‐related pain

Cannabis‐based medicines showed no clear difference in daily breakthrough opioid dosage (mg morphine equivalent) compared with placebo medication (moderate certainty).

1 finding from 1 review